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#a3af21

a dark, vivid yellow · cool · closest name: olive

RGB
163, 175, 33
HSL
65°, 68%, 41%
CMYK
7, 0, 81, 31
Luminance
0.3856

Every format

HEX#a3af21
RGBrgb(163, 175, 33)
HSLhsl(65, 68%, 41%)
CMYKcmyk(7%, 0%, 81%, 31%)
LABlab(68.4 -20.8 64.5)
LCHlch(68.4 67.7 107.9)
OKLCHoklch(0.721 0.154 114.7)

Copy-ready code

/* CSS */
color: #a3af21;
background-color: #a3af21;
/* Tailwind (arbitrary) */
class="text-[#a3af21] bg-[#a3af21]"
/* SCSS */
$brand: #a3af21;
/* SwiftUI */
Color(red: 0.639, green: 0.686, blue: 0.129)
/* Android */
Color.parseColor("#a3af21")

Accessibility — WCAG contrast

Aa
#a3af21 on white: 2.41:1
AA ✗ fail · AA-large · AAA
Aa
#a3af21 on black: 8.71:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red63.9%
Green68.6%
Blue12.9%

CMYK percentages

Cyan6.9%
Magenta0.0%
Yellow81.1%
Key (black)31.4%

Color previews

#a3af21 text on a black background

contrast 8.71:1

Card sample

#a3af21 text on a white background

contrast 2.41:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #a3af21;
Background color
Panel with #a3af21 background
background-color: #a3af21;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #a3af21;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(163, 175, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(163, 175, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #a3af21;
background: linear-gradient(135deg, #a3af21, #44AF21);

Monochromatic scale

Palettes built from #a3af21

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #a3af21 in the Color Lab